Surname 赛亚 (Syah 
, 赛亚 ) , worldwide, is a widespread cognomen. The surname 赛亚 is habitual in Indonesia, where it is quite a common surname, Singapore, where it is quite a rare surname, and Taiwan. Not in comparison with a country's population, it is the most numerous in Indonesia, China, and Saudi Arabia. Very seldom, 赛亚 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Syah | China, Indonesia, Saudi Arabia, Taiwan, Myanmar |
| 赛亚 | China |